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Finding the Fourth Proportional to 200,655.78, 276,904.90 and 110,009.80

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Solution

The fourth proportional to 200,655.78, 276,904.90 and 110,009.80 is: 151,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,655.78 : 276,904.90 = 110,009.80 : x
  2. Step 2: Convert to fraction form
    200,655.78/276,904.90 = 110,009.80/x
  3. Step 3: Cross multiply
    200,655.78x = 276,904.90 × 110,009.80
  4. Step 4: Simplify right side
    200,655.78x = 30,462,252,668.02
  5. Step 5: Solve for x
    x = 30,462,252,668.02/200,655.78
  6. Step 6: Final answer
    x = 151,813.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.